Zobrazeno 1 - 10 of 25 pro vyhledávání: '"James F. Parr"'
1
Elektronická kniha
Nature Farming and Microbial Applications
Autor: Hiu-lian Xu, Hiroshi Umemura, James F. Parr Jr
Produce more abundant, high-quality crops with the information you'll find in this book!Recent concerns over environmental pollution and food quality degradation caused by the excessive use of chemicals have prompted scientists and policymakers to re
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3
Transition from conventional to alternative agriculture in Pakistan: The role of green manures in substituting for inorganic N fertilizers in a rice-wheat farming system
Autor: Ghulam Jilani, Riaz Ahmad, James F. Parr, Tahir Hussain
Publikováno v: American Journal of Alternative Agriculture. 10:133-137
Nitrogen, a vitally important plant nutrient, is subject to various losses that affect its efficiency. We tested prilled urea (PU), urea supergranules (USG), green manures (GM) and farmyard manure (FYM) in a rice-wheat cropping system to determine wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1ff9b0a3da20388aa64761f202969a2
https://doi.org/10.1017/s0889189300006317
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4
Agricultural use of organic amendments: A historical perspective
Autor: James F. Parr, Sharon B. Hornick
Publikováno v: American Journal of Alternative Agriculture. 7:181-189
Agricultural research conducted in the United States since establishment of the U.S. Dept. of Agriculture and Land-Grant University System in 1862 has shown that regular and proper additions of organic materials are very important for maintaining the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaa0f8cf38d212a5b23c1d9d727d421b
https://doi.org/10.1017/s0889189300004781
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5
Soil quality: Attributes and relationship to alternative and sustainable agriculture
Autor: Sharon B. Hornick, James F. Parr, R. E. Meyer, R.I. Papendick
Publikováno v: American Journal of Alternative Agriculture. 7:5-11
Different chemical, physical, and biological properties of a soil interact in complex ways that determine its potential fitness or capacity to produce healthy and nutritious crops. The integration of these properties andine resulting level of product
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28eafc3c5d360953d62f3bb1af14facc
https://doi.org/10.1017/s0889189300004367
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8
Introduction: Improving the sustainability of dryland farming systems in the Middle East
Autor: James F. Parr, R. I. Papendick
Publikováno v: American Journal of Alternative Agriculture. 12:98-99
Six papers in this issue were presented by Middle Eastern authors at the U.S.-Middle East Conference and Workshop on "Dryland Farming Systems and Technologies for a More Sustainable Agriculture," held at Moscow, Idaho on October 18–23, 1993.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d913f6eccfaa6eb7b2125f84199e1595
https://doi.org/10.1017/s0889189300007347
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10
Soil quality—The key to a sustainable agriculture
Autor: James F. Parr, R. I. Papendick
Publikováno v: American Journal of Alternative Agriculture. 7:2-3
Soil is the world's most vital component for food and fiber production: preservation of this critical natural resource is paramount for protecting the environment, and ensuring that current and future populations are healthy and well-fed. In many cou
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40662f74608af4229d438ef8fcdcd424
https://doi.org/10.1017/s0889189300004343
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